Martin
                                    
                            Martin 40A20 Stock Bore Type A Single Pitch Roller Chain Sprocket, 5/8 in Dia Bore, 3.457 in OD, #40 Chain, 20 Teeth, 1/2 in Pitch, Steel
                                40A20-MAR
                                    MFG #: 40A20
                                                            
                        
                                    
                                        $26.19
                                    
                                    
                                        / EA
                                    
                        
                            
                                Non-Stock Item
                            
                    - Bore Diameter: 5/8 in
- Chain Size: #40
- Country of Origin: US
- CustomerPartNumber: 101040, 101277, 126702, 126703, 127432, 135900
- Hub Diameter: 2-5/8 in
- Length Through Bore: 0.284 in
- Manufacturer Name: Martin Sprocket & Gear
- Material: Steel
- Number of Teeth: 20
- Outside Diameter: 3.457 in
- Pitch: 1/2 in
- Pitch Diameter: 3.196 in
- Type: Stock Bore Type A
A plates are flat sprockets with no hub extension on either side. They can be altered for your application with bolt holes, custom bores, hardened teeth or special hubs welded to them.
                    - Item Features
- Standards
- Plate only
- Precise machining and processes ensure consistent finish and high quality
                                    PROP65: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information: www.P65Warnings.ca.gov
                                
                        